Dubai’s residential property sales increased by 22.4 per cent year-on-year in the first quarter, with a 29.6 per cent increase in the total value sold, a report showed on Thursday. According to Engel & Völkers Middle East, a leader in premium residential and commercial real estate services, commercial real estate sales increased by18.2 per cent YO, with a 29.5 per cent increase in the total value of transactions.